descreen definition: Verb (third-person singular simple present descreens, present participle descreening, simple past and past participle descreened) 1. to remove MoirÃ©-pattern artifacts when scanning half-toned printed imagesThis software option is...
Sunlight Photosynthesis: 6CO 2 + H 2 6 H 12 O 6 + 6O 2 In the above reaction, sunlight supplies the energy to convert carbon dioxide and water to glucose and oxygen.Hydrothermal vents, which are hot springs on the sea floor, support exotic chemical-based ecosys-tems.
Submarine Volcanic Ecosystems. Hydrothermal vents and new forms of life were first discovered at mid-ocean ridges in 1977. Hydrothermal vents, also called black smokers, have been discovered at nearly all the mid-ocean ridges.Water, hydrogen sulfide, and other minerals pour from these springs at temperatures of about 660 degrees F (350 degrees C).These hot waters host an ecosystem complete with giant clams, mussels, tube worms, and other critters. These organisms use sulfur, not sunlight, to live.ater, hydrogen sulfide, and other minerals pour from these springs at temperatures of about 660 degrees F (350 degrees C). These hot waters host an ecosystem complete with giant clams, mussels, tube worms, and other critters. These organisms use sulfur, not sunlight, to live.